Answers

Subtract 63/64 from 7/28

7/28 - 63/64 is -47/64.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 64 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 28 × 16 = 448,
   7/28 = 7 × 16/28 × 16 = 112/448
3. Likewise, for the 2nd fraction, since 64 × 7 = 448,
   63/64 = 63 × 7/64 × 7 = 441/448
4. Subtract the two like fractions:
   112/448 - 441/448 = 112 - 441/448 = -329/448
5. After reducing the fraction, the answer is -47/64

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